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A survey of deduction theorems for the propositional calculi

✍ Scribed by W. A. Pogorzelski


Publisher
Springer Netherlands
Year
1964
Tongue
English
Weight
22 KB
Volume
15
Category
Article
ISSN
0039-3215

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A deduction theorem schema for deductive
✍ Janusz Czelakowski; WiesΕ‚aw Dziobiak πŸ“‚ Article πŸ“… 1991 πŸ› Springer Netherlands 🌐 English βš– 326 KB

We propose a new schema for the deduction theorem and prove that the deductive system S of a propositional logic L fulfills the proposed schema if and only if there exists a finite set A(p, q) of propositional formulae involving only propositional letters p and q such that A(p, p) C\_ L and p, A(p,